One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant trachelium is to examine the USDA zone info for Key Biscayne.

Planting Calendar for Trachelium

Frost tolerance for trachelium:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Trachelium require warm weather which tells us that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant trachelium in Key Biscayne is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant trachelium and expect a good harvest is probably November. You probably don't want to wait any later than that or else your trachelium may not have a chance to grow to maturity. Starting your trachelium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Key Biscayne it never frosts. In the coldest months of winter you should expect an average low temperature of 40°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Key Biscayne and it changes from year to year. Since it never frosts in Key Biscayne you do not have to be ready to cover your trachelium in the event of a late frost.

USDA Zone Info for Key Biscayne

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Key Biscayne

You may be interested in your other planting guides for Key Biscayne.